US6507019B2 - MS/MS scan methods for a quadrupole/time of flight tandem mass spectrometer - Google Patents
MS/MS scan methods for a quadrupole/time of flight tandem mass spectrometer Download PDFInfo
- Publication number
- US6507019B2 US6507019B2 US09/864,872 US86487201A US6507019B2 US 6507019 B2 US6507019 B2 US 6507019B2 US 86487201 A US86487201 A US 86487201A US 6507019 B2 US6507019 B2 US 6507019B2
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- US
- United States
- Prior art keywords
- mass
- ions
- ion
- range
- charge
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- Expired - Lifetime
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-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/26—Mass spectrometers or separator tubes
- H01J49/34—Dynamic spectrometers
- H01J49/40—Time-of-flight spectrometers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/004—Combinations of spectrometers, tandem spectrometers, e.g. MS/MS, MSn
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/26—Mass spectrometers or separator tubes
- H01J49/34—Dynamic spectrometers
- H01J49/40—Time-of-flight spectrometers
- H01J49/401—Time-of-flight spectrometers characterised by orthogonal acceleration, e.g. focusing or selecting the ions, pusher electrode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/26—Mass spectrometers or separator tubes
- H01J49/34—Dynamic spectrometers
- H01J49/42—Stability-of-path spectrometers, e.g. monopole, quadrupole, multipole, farvitrons
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/26—Mass spectrometers or separator tubes
- H01J49/34—Dynamic spectrometers
- H01J49/42—Stability-of-path spectrometers, e.g. monopole, quadrupole, multipole, farvitrons
- H01J49/4205—Device types
- H01J49/421—Mass filters, i.e. deviating unwanted ions without trapping
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/26—Mass spectrometers or separator tubes
- H01J49/34—Dynamic spectrometers
- H01J49/42—Stability-of-path spectrometers, e.g. monopole, quadrupole, multipole, farvitrons
- H01J49/4205—Device types
- H01J49/422—Two-dimensional RF ion traps
- H01J49/4225—Multipole linear ion traps, e.g. quadrupoles, hexapoles
Abstract
Description
n | m(n) | | ΔTp | tD | |
1 | 75 | 30 | .012 | .026 |
2 | 150 | 55 | .016 | .037 |
3 | 300 | 130 | .023 | .052 |
4 | 600 | 280 | .032 | .073 |
5 | 1200 | 580 | .045 | .103 |
TABLE 2 | |||||
Interval | | ΔTp | tD | ||
1 | 60 | 14.2 | 32.8 | ||
2 | 120 | 20.1 | 46.5 | ||
3 | 240 | 28.4 | 65.7 | ||
4 | 480 | 40.2 | 92.9 | ||
Claims (16)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/864,872 US6507019B2 (en) | 1999-05-21 | 2001-05-25 | MS/MS scan methods for a quadrupole/time of flight tandem mass spectrometer |
CA2349416A CA2349416C (en) | 2001-05-25 | 2001-06-01 | Improvements in ms/ms scan methods for a quadrupole/time of flight tandem mass spectrometer |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/316,388 US6285027B1 (en) | 1998-12-04 | 1999-05-21 | MS/MS scan methods for a quadrupole/time of flight tandem mass spectrometer |
US09/864,872 US6507019B2 (en) | 1999-05-21 | 2001-05-25 | MS/MS scan methods for a quadrupole/time of flight tandem mass spectrometer |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/316,388 Continuation-In-Part US6285027B1 (en) | 1998-12-04 | 1999-05-21 | MS/MS scan methods for a quadrupole/time of flight tandem mass spectrometer |
Publications (2)
Publication Number | Publication Date |
---|---|
US20020030159A1 US20020030159A1 (en) | 2002-03-14 |
US6507019B2 true US6507019B2 (en) | 2003-01-14 |
Family
ID=25344256
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/864,872 Expired - Lifetime US6507019B2 (en) | 1999-05-21 | 2001-05-25 | MS/MS scan methods for a quadrupole/time of flight tandem mass spectrometer |
Country Status (2)
Country | Link |
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US (1) | US6507019B2 (en) |
CA (1) | CA2349416C (en) |
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US20020030159A1 (en) | 2002-03-14 |
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